铌,箔, Nb, 0.004mm厚, 3N
| 品牌: | Goodfellow | | 纯度含量: | 99.9% | | 产地: | 英国 |
产品介绍
| 订货号 | 包装规格 | | Sizes | | 604-940-47 | 25mm x 25mm | | 129-209-92 | 50mm x 50mm | | 963-789-68 | 100mm x 100mm | | 753-925-67 | 150mm x 150mm | | Disc | | 343-429-27 | 4mm | | 928-660-78 | 6mm | | 082-594-86 | 8mm | | 324-357-71 | 10mm | | 544-713-60 | 15mm | | 089-208-85 | 25mm | | 442-841-47 | 25mm x 25mm |
产品参数 | Diameter[直径] | 4mm - 25mm | | Purity[纯度] | 99.9% | | Thickness[厚度] | 0.004mm | | Typical Analysis(典型分析) | | B | <10 PPM | | C | 25 PPM | | Cu | <5 PPM | | Fe | 30 PPM | | H | <10 PPM | | Mo | 10 PPM | | N | 20 PPM | | Ni | <5 PPM | | O | 100 PPM | | Si | 100 PPM | | Ta | 500 PPM | | Ti | <10 PPM | | W | <100 PPM | | Zr | <10 PPM | | Mechanical Properties(机械性能) | | Bulk modulus ( GPa ) ( Hard ) | 170.3 | | Bulk modulus ( GPa ) ( Soft ) | 170.3 | | Hardness - Vickers ( kgf mm⁻² ) ( Hard ) | 160 | | Hardness - Vickers ( kgf mm⁻² ) ( Soft ) | 115 | | Izod toughness ( J m⁻¹ ) ( Soft ) | 10 - 120 | | Material condition | Hard | | Material condition | Soft | | Poisson's ratio ( Hard ) | 0.397 | | Poisson's ratio ( Soft ) | 0.397 | | Tensile modulus ( GPa ) ( Hard ) | 104.90 | | Tensile modulus ( GPa ) ( Soft ) | 104.90 | | Tensile strength ( MPa ) ( Hard ) | 585.00 | | Tensile strength ( MPa ) ( Soft ) | 330.00 | | Yield strength ( MPa ) ( Hard ) | 550.0 | | Yield strength ( MPa ) ( Soft ) | 240.0 | | Atomic Properties(原子属性) | | Atomic number | 41 | | Atomic weight ( amu ) | 92.90640 | | Crystal structure | Body Centred Cubic | | Electronic structure | Kr4d⁴5s¹ | | Ionisation potential ( No./eV ) | 3 / 25.0 | | Ionisation potential ( No./eV ) | 2 / 14.3 | | Ionisation potential ( No./eV ) | 6 / 103 | | Ionisation potential ( No./eV ) | 1 / 6.88 | | Ionisation potential ( No./eV ) | 4 / 38.3 | | Ionisation potential ( No./eV ) | 5 / 50.5 | | Photo-electric work function ( eV ) | 4.30 | | Thermal neutron absorption cross-section ( Barns ) | 1.1500 | | Valences shown | 2 , 3, 4, 5 | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 7.200 @0-100℃ | | Latent heat of evaporation ( J g⁻¹ ) | 7360 | | Latent heat of fusion ( J g⁻¹ ) | 290.00 | | Melting point ( C ) | 2468.00 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 268.0 @25℃ | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 53.70 @0-100℃ | | Electrical Properties(电气特性) | | Electrical resistivity ( μOhmcm ) | 16@20℃ | | Superconductivity critical temperature ( K ) | 9.2500 | | Temperature coefficient ( K⁻¹ ) | 0.00260 @0-100℃ | | Physical Properties(物理性质) | | Boiling point ( C ) | 4742 | | Density ( g cm⁻³ ) | 8.570 @20℃ |
其他参数 公差 | 长度 | <100mm | ±1mm |
|---|
| ≥100mm | +2% / -1% | | 直径 | <100mm | ±1mm |
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| ≥100mm | +2% / -1% | | 厚度 | <0.01mm | ±25% |
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| ≤0.05mm | ±15% | | >0.05mm | ±10% | | 长度 1 | <100mm | ±1mm |
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| ≥100mm | +2% / -1% | | 长度 2 | <100mm | ±1mm |
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| ≥100mm | +2% / -1% |
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